supply of filter bags for buffer hopper and ash silos , filter bags for buffer hoppers type: collar model: tkr-81-250 material density:560 gsm (+) 10% grm/m2 media: nomex (100 % m- aramide) bag type- non woves needle felt (yellowish cream) : imported from italy/germany finish signed & celendendfinish size: ?149 mm x length 2480 mm thickness- 2.0 mm (+) 10% tensile strength sample size (200mmx50mm) machine direction-60 kgs (minimum), cross direction-65 kgs (minimum), bursting strength- 25 kg (minimum) elongation at break (%):- lengthwise-25% cross wise- 25%, all bags should be stitched using ptfe thread. filter bags from each production batch shall be tested for the following properties by the manufacturer prior to dispatch 1) type of polymer: test method astm d276 2) weight: test method astm d 6242 3) thickness: test method astm d 5729 4) air permeability: test method astm d 737 5) tensile (machine direction & cross direction) and elongation at break (lengthwise & crosswise): test method astm d 5035/is 19696) bursting strength: test method astm d 3786/is 1966 7) dimensional, finish & treatment on each filter bag. , filter bags for ash silos type: collar material density: 560 gsm (+)10% grm/m2 media: nomex (100% m-aramide) bag type: - non woves needle felt (yellowish cream): imported from italy/germany finish: singed & celendend finish size: ø 149mm x length 3600 mm thickness -2.0 mm (+) 10% tensile strength sample size (200mmx50mm):-machine direction- 60 kgs (minimum). cross direction- 65 kgs (minimum), bursting strength- 25 kg (minimum) elongation at break (%):-lengthwise- 25%, cross wise- 25%. all bags should be stitched using ptfe thread. filter bags from each production batch shall be tested for the following properties by the manufacturer prior to dispatch 1) type of polymer: test method astm d276 2) weight: test method astm d 6242 3) thickness: test method astm d 5729 4) air permeability: test method astm d 737 5) tensile (machine direction & cross direction)